1 Aker Engineering Malaysia Sdn Bhd
2 MMC Oil & Gas Engineering Sdn Bhd
3 Protek Engineers
4 Ranhill Worley Parsons Sdn Bhd
5 Technip Consultant (M) Sdn Bhd
6 AECOM Perunding Sdn Bhd
7 Blackstone Process Solutions Sdn Bhd
8 Cekap Technical Services Sdn Bhd
9 Environmental Resources Management (M) Sdn Bhd
10 Enserv Sdn Bhd
11 Emerson Process Management (M) Sdn Bhd
12 Innovative Fluid Process Sdn Bhd
13 MECIP Global Engineers Sdn Bhd
14 Minconsult Sdn Bhd
15 Malaysia Marine & Heavy Engineering Sdn Bhd
16 Pegasus Asia Pacific Sdn Bhd
17 Peritus International Sdn Bhd
18 RNZ Integrated (M) Sdn Bhd
19 Synergy Oil & Gas Engineering Sdn Bhd
20 Toyo Engineering & Construction Sdn Bhd
21 UIE Solutions (M) Sdn Bhd
22 Winmore Engineering Sdn Bhd
23 WEG South East Asia Sdn Bhd (Formerly known as Watt Euro-Drive (M) Sdn Bhd)
24 Water Engineering Technology Sdn Bhd
25 Fluor Daniel International (M) Sdn Bhd
26 Wood Group Engineering Sdn Bhd (Wood Group Mustang (M) Sdn Bhd & Foster Wheeler E&C (M) Sdn Bhd merged together)
27 IGL Services Sdn Bhd
28 Tanjung Offshore Services Sdn Bhd
29 SEAMOG Group Sdn Bhd
30 Perunding ENRA Sdn Bhd
31 Elektro Serve (M) Sdn Bhd
32 Maju Integrated Engineers Sdn Bhd